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 <h1 class="title">杂项 函数</h1>

 























































































































































<h2>Table of Contents</h2><ul class="chunklist chunklist_reference"><li><a href="function.connection-aborted.html">connection_aborted</a> — 检查客户端是否已经断开</li><li><a href="function.connection-status.html">connection_status</a> — 返回连接的状态位</li><li><a href="function.connection-timeout.html">connection_timeout</a> — 检查脚本是否已超时</li><li><a href="function.constant.html">constant</a> — 返回一个常量的值</li><li><a href="function.define.html">define</a> — 定义一个常量</li><li><a href="function.defined.html">defined</a> — 检查某个名称的常量是否存在</li><li><a href="function.die.html">die</a> — 等同于 exit</li><li><a href="function.eval.html">eval</a> — 把字符串作为PHP代码执行</li><li><a href="function.exit.html">exit</a> — 输出一个消息并且退出当前脚本</li><li><a href="function.get-browser.html">get_browser</a> — 获取浏览器具有的功能</li><li><a href="function.halt-compiler.html">__halt_compiler</a> — 中断编译器的执行</li><li><a href="function.highlight-file.html">highlight_file</a> — 语法高亮一个文件</li><li><a href="function.highlight-string.html">highlight_string</a> — 字符串的语法高亮</li><li><a href="function.ignore-user-abort.html">ignore_user_abort</a> — 设置客户端断开连接时是否中断脚本的执行</li><li><a href="function.pack.html">pack</a> — Pack data into binary string</li><li><a href="function.php-check-syntax.html">php_check_syntax</a> — 检查PHP的语法（并执行）指定的文件</li><li><a href="function.php-strip-whitespace.html">php_strip_whitespace</a> — 返回删除注释和空格后的PHP源码</li><li><a href="function.show-source.html">show_source</a> — 别名 highlight_file</li><li><a href="function.sleep.html">sleep</a> — 延缓执行</li><li><a href="function.sys-getloadavg.html">sys_getloadavg</a> — 获取系统的负载（load average）</li><li><a href="function.time-nanosleep.html">time_nanosleep</a> — 延缓执行若干秒和纳秒</li><li><a href="function.time-sleep-until.html">time_sleep_until</a> — 使脚本睡眠到指定的时间为止。</li><li><a href="function.uniqid.html">uniqid</a> — 生成一个唯一ID</li><li><a href="function.unpack.html">unpack</a> — Unpack data from binary string</li><li><a href="function.usleep.html">usleep</a> — 以指定的微秒数延迟执行</li></ul>
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